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Wed, 13 May 2026 18:11:54 -0500 From: Judith Mendez To: Judith Mendez , Linus Walleij CC: , Subject: [PATCH v2 2/2] pinctrl: mcp23s08: Read spi-present-mask as u8 not u32 Date: Wed, 13 May 2026 18:11:54 -0500 Message-ID: <20260513231154.2703292-3-jm@ti.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260513231154.2703292-1-jm@ti.com> References: <20260513231154.2703292-1-jm@ti.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000252A1:EE_|SN4PR10MB997897:EE_ X-MS-Office365-Filtering-Correlation-Id: b9b3b403-d1e2-4703-9d66-08deb1450806 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|36860700016|376014|18002099003|22082099003|56012099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 49g6weKB1lAUDumcabpzPVT9Ag5YQhDbw601TrpCxN6mgurMSV0pCGk9Kp0zq+QGs1heGvu/q/oInSTTNh80vlpl7/7P8VT05/wjnko8m6QkInDWR2sWxjTmIdahexhtatW9/njMHYqYLSvWpmaE0bEaJ/zbPsz+YGPYIn3sWo6ux3WWl4UEX9+uj0o8nLpkoZ3POzjG8NfV3TVfsND4RA2VU5Ji2RwQUjWZuM8Jk15m5VgsFjFHnOTjOJPqNvHnnRjbXh1D58wzch2qrpyygdq+KM/K97JyqtDWEQqbafWXNZ7e19i7554Dl2L70xadp+2DljYBnouRSaCwnJevKw9lp1dB7gPH9YcFM1egs35ShvPEhOl7fALDpHYRp+K4BkAYuOCHbStKQmEjq3oOHXLjbW1E0uwXu6lUn9TctK7w33flHO4/t/+CbuUoEEPk X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 May 2026 23:11:57.8028 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b9b3b403-d1e2-4703-9d66-08deb1450806 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000252A1.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN4PR10MB997897 The binding (microchip,mcp23s08) specifies microchip,spi-present-mask as uint8, but driver would read u32, causing type mismatch. Use device_property_read_u8 to match binding spec, hardware (8 chips max), & prevent probe failure. Cc: stable@vger.kernel.org Fixes: 3ad8d3ec6d87 ("dt-bindings: pinctrl: convert pinctrl-mcp23s08.txt to yaml format") Signed-off-by: Judith Mendez --- Changes since v1: - Add patch 2/2 --- drivers/pinctrl/pinctrl-mcp23s08_spi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/pinctrl/pinctrl-mcp23s08_spi.c b/drivers/pinctrl/pinctrl-mcp23s08_spi.c index 5ed368772adb7..30775d31bd694 100644 --- a/drivers/pinctrl/pinctrl-mcp23s08_spi.c +++ b/drivers/pinctrl/pinctrl-mcp23s08_spi.c @@ -144,13 +144,13 @@ static int mcp23s08_probe(struct spi_device *spi) unsigned int addr; int chips; int ret; - u32 v; + u8 v; info = spi_get_device_match_data(spi); - ret = device_property_read_u32(dev, "microchip,spi-present-mask", &v); + ret = device_property_read_u8(dev, "microchip,spi-present-mask", &v); if (ret) { - ret = device_property_read_u32(dev, "mcp,spi-present-mask", &v); + ret = device_property_read_u8(dev, "mcp,spi-present-mask", &v); if (ret) { dev_err(dev, "missing spi-present-mask"); return ret; -- 2.54.0